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Comparison · Research & searchPerplexity vs ChatGPT search / deep research
Initial editorial ratings, testing in progress. Scores are editorial judgments, not benchmark results, and will be replaced by hands-on test scores. Sponsors never affect scores.
Perplexity and ChatGPT search / deep research both appear in our research & search ranking. This page puts them side by side: our current ratings, what each costs and includes according to its own pricing page (checked 2026-10-15), and which one to pick for which job. Where we could not verify something on the official site, we say so instead of guessing.
At a glance
| Perplexity | ChatGPT search / deep research | |
|---|---|---|
| Our rating | 9.0/10 | 8.5/10 |
| Why it ranks | Cited answers by default | Thorough multi-step reports |
| Pricing | Not verified: Perplexity's site blocked our automated check, so we don't list prices. | Deep research is part of ChatGPT plans (Free, Go, Plus, Pro). Prices weren't shown on the page as we fetched it. |
| Free tier | Not verified on the official site at our check date. | Free plan includes limited deep research; search is available. |
| Best for | Everyday research questions where you want to check sources fast. | Thorough multi-step reports when you need depth. |
| Source | Checked 2026-10-15 on the official site — not fully verified | Checked 2026-10-15 on the official site — not fully verified |
Scores by criterion
Our methodology weights five criteria. Per-criterion scores come from hands-on testing, which hasn't been done yet for this category, so we show the weights and leave the scores blank instead of making numbers up. The overall ratings above are editorial.
| Criterion | Weight | Perplexity | ChatGPT search / deep research |
|---|---|---|---|
| Output quality | 40% | Not yet tested | Not yet tested |
| Speed & reliability | 20% | Not yet tested | Not yet tested |
| Ease of use | 15% | Not yet tested | Not yet tested |
| Value | 15% | Not yet tested | Not yet tested |
| Privacy & trust | 10% | Not yet tested | Not yet tested |
Key differences
Perplexity (9.0) gives cited answers by default for quick checks; ChatGPT deep research (8.5) produces thorough multi-step reports and comes inside a ChatGPT subscription. We couldn't verify Perplexity's prices.
Perplexity in brief
Perplexity is our top research pick at 9.0/10 because answers come with citations by default, so checking a claim takes a click. We couldn't verify its current plans or prices, because its site blocked our automated check.
- Answers with citations by default
- Web search as the core experience
ChatGPT search / deep research in brief
ChatGPT's deep research produces long, multi-step reports, and it comes with the ChatGPT subscription rather than as a separate tool. The free plan includes a limited amount; Plus expands it and Pro gives the maximum. We rate it 8.5/10.
- Limited deep research free; expanded on Plus; maximum on Pro
- Apps for deep research on Plus and Pro
- Same subscription as ChatGPT chat, images and coding
- Interactive tables and charts on Plus
Which should you pick?
Verdict: Pick Perplexity for fast, cited answers. Pick ChatGPT deep research for long reports, especially if you already pay for ChatGPT.
How that maps to our criteria:
- Output quality (40%): until testing is done, our editorial ratings are the best guide: Perplexity 9.0/10, ChatGPT search / deep research 8.5/10. Perplexity is rated higher.
- Value (15%): compare the free tiers in the table. Perplexity: Not verified on the official site at our check date. ChatGPT search / deep research: Free plan includes limited deep research; search is available.
- Ease of use (15%): Perplexity is best for everyday research questions where you want to check sources fast. ChatGPT search / deep research is best for thorough multi-step reports when you need depth.
- Speed & reliability (20%) and Privacy & trust (10%): not yet tested. Before you commit, read each vendor's data-retention and training settings on its own site.
Frequently asked questions
- Which shows sources?
- Perplexity cites by default. Deep research reports also include sources; check them either way.
- Which is rated higher, Perplexity or ChatGPT search / deep research?
- Perplexity is rated higher in our initial editorial ratings (9.0 vs 8.5). These are not benchmark results; testing is in progress.
- How much does Perplexity cost?
- Not verified: Perplexity's site blocked our automated check, so we don't list prices.
- How much does ChatGPT search / deep research cost?
- Deep research is part of ChatGPT plans (Free, Go, Plus, Pro). Prices weren't shown on the page as we fetched it.
- When was pricing checked?
- On 2026-10-15, on each tool's official pricing page. Prices change often, so confirm on the vendor's site before you buy.
Related comparisons
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- ChatGPT search / deep research vs Elicit
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